Ethanol production from the organic fraction obtained after thermal pretreatment of municipal solid waste
M Ballesteros, F Sáez, I Ballesteros… - Applied biochemistry …, 2010 - Springer
Applied biochemistry and biotechnology, 2010•Springer
In this work, the use of organic fraction from municipal solid waste (MSW) as substrate for
ethanol production based on enzymatic hydrolysis was evaluated. MSW was subjected to a
thermal pretreatment (active hygienization) at 160° C from 5 to 50 min. The organic fiber
obtained after 30 min was used as substrate in a simultaneous saccharification and
fermentation (SSF) and fed-batch SSF process using cellulases and amylases. In a fed-
batch mode with 25%(w/w) substrate loading, final ethanol concentration of 30 g/L was …
ethanol production based on enzymatic hydrolysis was evaluated. MSW was subjected to a
thermal pretreatment (active hygienization) at 160° C from 5 to 50 min. The organic fiber
obtained after 30 min was used as substrate in a simultaneous saccharification and
fermentation (SSF) and fed-batch SSF process using cellulases and amylases. In a fed-
batch mode with 25%(w/w) substrate loading, final ethanol concentration of 30 g/L was …
Abstract
In this work, the use of organic fraction from municipal solid waste (MSW) as substrate for ethanol production based on enzymatic hydrolysis was evaluated. MSW was subjected to a thermal pretreatment (active hygienization) at 160 °C from 5 to 50 min. The organic fiber obtained after 30 min was used as substrate in a simultaneous saccharification and fermentation (SSF) and fed-batch SSF process using cellulases and amylases. In a fed-batch mode with 25% (w/w) substrate loading, final ethanol concentration of 30 g/L was achieved (60% of theoretical). In these conditions, more than 160 L of ethanol per ton of dry matter could be produced from the organic fraction of MSW.
Springer
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